When the ABS system is functioning properly, it avoids the wheels from locking up during hard braking, which prevents traction loss. They might use the Check Engine Light instead. The truth is that there's no special magic to bleeding brakes with ABS. Service Brakes Problems of Nissan Frontier - part 1. A premier community to share your mods and builds. service on either or a leak that has drained the master cylinder reservoir. If the ABS control module fails, this is one reason for the light to illuminate. The car computer collects this data and creates electronic information that ensures the system works as predefined by the car manufacturer. As time passes, you might notice it takes more effort to stop your vehicle and push down on the brake pedal. Your email address will not be published. Learn more. He started writing automotive articles to share his garage experience with car enthusiasts and armature mechanics. ABS Light came on Trouble Code: C1111 NISSAN - ABS Pump Motor ABS Actuator stayed on after the car is off for a few minutes ABS was activating under normal regular driving This is what it looks like when you remove the Window Cowl. . The pump will work on all the time during bleeding,and delivery valve will open and close alternately. Your email address will not be published. When youre done with the rear wheels, move on to the front wheel, starting from the passengers side. If bleeding the brake system like this though doesnt fix the problem of mushy brakes though or you know the ABS module has air in it, then you will have to bleed it. If you can get the equipment to bleed your brakes and the ABS module at home, then you can do it to save money, however, if you dont work on cars a lot you might just want to let a shop bleed your ABS module since it requires a special tool. Will a scan tool that auto bleeds the system cycling the selenoids release the pressure? Using Autel Scanner MaxiCheck Pro will make the job very easy and save much time. ABS is the abbreviation of (Anti-locking Braking System). He probably meant that the self adjusters are trash. It is important the system is under pressure before doing this to help force the air out. negative cable. Now, slack the bleeder valves and let the brake fluid rush into a container. Worse yet, if such gradient imbalances go unchecked, the brake pump and valves may be compromised. Auto manufacturers equip vehicles with safety features to keep drivers and other road users safe. Once the master cylinder is empty, you can add in new fluid. Ans: Put the ignition switch to the Off position, then depressurize the system by pushing the brake pedal forcefully. Air that seeps into the ABS controller can bleed out, which is a good thing. Each wheel is connected to a small transparent container by metal tubes. Because the operation is frequent and needs accuracy while emptying the brake fluid, you should prepare ahead of time. If the air is trapped farther in the system though you will need a special tool to get the air out, different vehicles require different dealer tools that plug into the OBD2 port. The ABS module controls the antilock brake system. Bleeding an ABS module with different methods - Brakes won't bleed - FIXED! To get the rest of the old fluid in the air out though you will need a partner to make it easier. I did not bleed the ABS module. How Do You Use a Wheel Stud Installer Tool? Sometimes, when the ABS control module fails, the speedometer ceases to operate normally. Its important to get that excess air out of your hydraulic brake lines if you want your brakes to work properly. Information coming from the ABS sensors is processed by the ABS control module. We have a team of writers working daily on common car problems. The normal braking system can open the bleeding valve on each wheel cylinder, together with stepping on the brake pedal to bleed. I changed the fluid in the process was able to vacuum bleed all wheels and have a solid pedal. Then, the ECU takes the data and processes it, creating electronic information to ensure the system works as it should. Simply attach a clear plastic tube to the caliper's bleeder, stick the other end in a bottle half full of fresh fluid, and pump until the air in the tube has burped out and keep going until you're satisfied that the line has been purged. Unless a valve inside the module is stuck, the air should be purged that way. The brake pedal will typically get harder to push until it becomes unresponsive. Bleeding an anti-lock braking system (ABS) using a scan tool is quick and easy, but it is also possible to bleed ABS brakes without a scan tool. Including the coolant light and the check engine light. What Is An Anti-lock Braking System (ABS), And How Does It Work? JavaScript is disabled. Could both rear calibers be sticking? The ABS (anti-lock braking system) control module is an electronic device that acts as a computer. Refill the brake fluid and tell a friend or your assistant to pump the brake pedal continuously. This step is only necessary if the new module is supplied separately from the solenoid block. Reply. For bleeding the air out of the brake system itself, it also helps to have a partner. Its easy but a little time-consuming. Any time your brake lines are open then air will be introduced so if you are changing components such as wheel cylinders, ABS units, or calipers then this has the potential to cause an imbalance in the system and create spongey brakes. This procedure must be repeated numerous times to guarantee that no air bubbles remain in the brake lines. Your email address will not be published. Bleeding brakes need help. Tell the assistant to hold down the pedal while you lock the bleeder valve. Required fields are marked *. If you use a vehicle equipped with ABS, here are some best practices for bleeding your brakes: Take the ignition key out of the ignition and turn off the engine. Replace your worn-out or faulty component with this quality replacement from WVE. ABS actuator (KA24DE) or ABS actuator and electric unit (VG33E and VG33ER) This is on a 2001 Frontier 4x4 VG33E. However, as this part fails, the information needed to keep the wheels from locking isnt accurate. Innova CarScan Tech #5510 $249.99. However, compared to non-ABS systems, there is a more difficult bleeding process involved. Aside from that, it is recommended that you repair the hydraulics or ABS modulator of your Anti-Lock Braking System (ABS) once in a while. At first, you might notice the increased braking effort discussed above. Driving with a bad ABS control module can be dangerous and should be avoided if at all possible. 0. AI: Is It Better To Bleed Brakes With The Car On Or Off? When you step on the brake pedal, you want to know that the vehicle is going to stop. Its essential to consider the warning indications that an ABS is failing so that you can remedy the problem as soon as possible. 3. Check the Dot 3, dot 4 or dot 5, and dot 5.1 brake fluid levels as required in the user manual. Open the hood and locate the master cylinder reservoir. Then have someone pump and hold the pedal while you crack the lines. Pump the brakes until all the fluid has been emptied and check thoroughly that it is entirely empty. Once your brake lines are properly bled, you can continue further troubleshooting. ABS (anti-lock braking system) control module, Volkswagen cars have a bulletin on the ABS module, 4 Symptoms Of A Leaking Oil Pan Gasket And Replacement Cost, How to Change the Oil in Your Car (5 Easy Steps), 6 Symptoms Of A Bad Transmission Control Module (TCM), 6 Signs Of A Bad Powertrain Control Module and Replacement Cost, 4 Symptoms Of A Bad ABS Reluctor Ring and Replacement Cost, 5 Symptoms Of A Bad Control Arm Bushing and Replacement Cost, 5 Symptoms Of A Bad Engine Control Module and Replacement Cost, 5 Symptoms Of A Bad Engine Control Unit and Replacement Cost, 2 Symptoms Of A Bad Airbag Control Module and Replacement Cost, 4 Signs Of A Bad ABS Wheel Speed Sensor and Replacement Cost, 4 Symptoms Of Bad or Worn Brake Shoes and Replacement Cost, Car Wont Accelerate But RPMs Go Up: Causes & Fixes. Ask me anything! Your brakes are a hydraulic system, which means that they are fluid-powered. Once you have located the right menu your software should have an option for which area of your brakes you want to bleed. The problem is that you often need to code or reprogram the new control unit with special diagnostic tools, which may only be available to the dealership. In the anti-lock braking system, the ABS module takes the lead. My mechanic doubted the old brake fluid was the cause of the ABS malfunction but we decided to flush it anyways based on the mileage and year of the vehicle. You loosen the brake lines going OUT from the ABS, you just treat the flare fitting as a bleed screw. Lift the vehicle up to a comfortable level with the car jack so that you can easily remove the four wheels and reach the bleeders. Tighten the RH rear bleeder screw. Learn the steps with this helpful guide by Nissan of Mobile! Most generic ABS should work with the steps we described. Right front brake 6. ABS lines can be tricky to bleed. Compatible with both iOS and Android, it is a must-have for any DIYer. Can you drive a car with a bad ABS control module? Once the ABS light is on, the system might stop functioning at all. Please help help me located it thanks. A brake system will not be able to bleed itself and you should either manually bleed them or use a scan tool to successfully bleed them and remove the air from the system. Connect the bleeding port to the bleeder using a tube. When the ABS sensor detects that one wheel is rotating slower than the others when braking, the information is sent to the ABS module. by Eduardo Ruelas on January 06, 2016 Brake System Inspection Cost Service Location SELECT YOUR VEHICLE $94.99 - $114.99 Price range for all vehicles ( 301) Soft Brake Pedal 2009 Nissan Murano (Page 1 of 2) 9.3 really awful Typical Repair Cost: $2,430 Average Mileage: 93,100 miles Total Complaints: 26 complaints Most Common Solutions: not sure (21. BlueDriver is an advanced Bluetooth OBD2 scan tool that works with an online application to give you professional-level reads on your vehicle. So bleed the right rear, then the left rear, then the right front, then the left front. If you dont bleed your brakes when required then this can cause longer stopping distances and weak brakes as the air stays in the system and reduced the hydraulic pressure your caliper pistons need to grip the brake pads against the rotor. Nissan Frontier owners have reported 67 problems related to service brakes (under the service brakes category). Otherwise, professional fees might run from $80 to $300, depending on how accessible the module is. Nissan has a tech bulletin out about bleeding the brakes on all Nissan models - every 10k miles. Rxmechanic.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for website owners to earn advertising fees by advertising and linking to Amazon.com. Sometimes ramps are enough to allow you to get to what you need to, but space can be a challenge bleeding brakes at home without the car in the air. This issue can also be caused by low brake fluid levels, so be sure to perform a complete system inspection. Free shipping. I bleed the brakes lines on my 2008 Nissan Altima Hybrid. Excess air or contamination in the fluid lines causes pressure gradient changes, requiring you to exert extra effort while pressing the brakes. Ask him to pump the pedal five to six times and hold it down. 1. Place a box end wrench on the RH front disc brake caliper bleeder screw. You repeat this process until fresh, clean fluid comes from the system. I love applying my knowledge to help our readers repair their own cars or at least, helping them make good decisions when sending their cars in for repair. Valves in the brake line have three positions that allow, block, and release pressure on the brakes.